Right way up after endless worry (7)
I believe the answer is:
freedom
'right' is the definition.
(thesaurus)
'way up after endless worry' is the wordplay.
'way up' becomes 'edom' (I can't explain this - if you can you should give a lot more credence to this answer).
'after' means one lot of letters go next to another.
'endless' means to remove the last letter.
'worry' becomes 'fret' (to fret about something is to worry).
'fret' with its last letter removed is 'fre'.
'edom' after 'fre' is 'FREEDOM'.
Can you help me to learn more?
(Other definitions for freedom that I've seen before include "Liberty, civil liberty" , "Release" , "novel" , "outspokenness" , "Independence" .)